DE69400175D1 - Combustion chamber structure for an internal combustion engine - Google Patents

Combustion chamber structure for an internal combustion engine

Info

Publication number
DE69400175D1
DE69400175D1 DE69400175T DE69400175T DE69400175D1 DE 69400175 D1 DE69400175 D1 DE 69400175D1 DE 69400175 T DE69400175 T DE 69400175T DE 69400175 T DE69400175 T DE 69400175T DE 69400175 D1 DE69400175 D1 DE 69400175D1
Authority
DE
Germany
Prior art keywords
chamber structure
combustion engine
internal combustion
combustion chamber
engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69400175T
Other languages
German (de)
Other versions
DE69400175T2 (en
Inventor
Toshiro Itatsu
Shunsuke Yasunishi
Kouji Kitano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE69400175D1 publication Critical patent/DE69400175D1/en
Application granted granted Critical
Publication of DE69400175T2 publication Critical patent/DE69400175T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/0648—Means or methods to improve the spray dispersion, evaporation or ignition
    • F02B23/0651—Means or methods to improve the spray dispersion, evaporation or ignition the fuel spray impinging on reflecting surfaces or being specially guided throughout the combustion space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0672—Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0678—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets
    • F02B23/0693—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets the combustion space consisting of step-wise widened multiple zones of different depth
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/40—Squish effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
    • F02B23/0621—Squish flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
DE69400175T 1993-12-02 1994-12-01 Combustion chamber structure for an internal combustion engine Expired - Lifetime DE69400175T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5303118A JPH07150944A (en) 1993-12-02 1993-12-02 Combustion chamber structure for direct injecting type diesel engine

Publications (2)

Publication Number Publication Date
DE69400175D1 true DE69400175D1 (en) 1996-06-13
DE69400175T2 DE69400175T2 (en) 1996-11-28

Family

ID=17917102

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69400175T Expired - Lifetime DE69400175T2 (en) 1993-12-02 1994-12-01 Combustion chamber structure for an internal combustion engine

Country Status (3)

Country Link
EP (1) EP0656466B1 (en)
JP (1) JPH07150944A (en)
DE (1) DE69400175T2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0810365A1 (en) * 1996-05-10 1997-12-03 Steyr-Daimler-Puch Aktiengesellschaft Diesel combustion engine with direct injection and combustion chamber in the piston
JPH1082323A (en) * 1996-09-06 1998-03-31 Mitsubishi Motors Corp Combustion chamber of diesel engine
US6152101A (en) * 1996-12-16 2000-11-28 Perkins Engines Company Limited Piston for an internal combustion engine having a re-entrant type combustion bowl
JPH11190217A (en) * 1997-10-20 1999-07-13 Nissan Motor Co Ltd Direct injection type diesel engine
JP4595273B2 (en) * 2001-09-26 2010-12-08 マツダ株式会社 Diesel engine fuel combustion system
JP2006112312A (en) * 2004-10-14 2006-04-27 Yanmar Co Ltd Combustion chamber shape for direct injection type diesel engine
JP4906055B2 (en) 2006-02-08 2012-03-28 日野自動車株式会社 Combustion chamber structure of direct injection diesel engine
DE102006008567A1 (en) * 2006-02-22 2007-08-23 Fev Motorentechnik Gmbh Combustion chamber arrangement of fuel-injected diesel engine has concave contour of piston bowl formed so that first and second fuels jets are directed onto each other and at least partially flow back in direction of central injector
FR2925601A1 (en) * 2007-12-19 2009-06-26 Renault Sas COMBUSTION CHAMBER FOR THERMAL ENGINE
FR2952127B1 (en) * 2009-11-03 2011-12-09 Peugeot Citroen Automobiles Sa PISTON FOR INTERNAL COMBUSTION ENGINE AND ENGINE COMPRISING SUCH A PISTON
JP4924702B2 (en) * 2009-12-01 2012-04-25 トヨタ自動車株式会社 Direct injection compression ignition engine
WO2018184171A1 (en) * 2017-04-06 2018-10-11 上海长辛实业有限公司 Piston for use in engine cylinder and piston engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56106023A (en) * 1980-01-26 1981-08-24 Hino Motors Ltd Combustion chamber for direct-injection type diesel engine
JPS5910733A (en) * 1982-02-27 1984-01-20 Isuzu Motors Ltd Structure of combustion chamber for diesel engine
JPS61135928A (en) * 1984-12-06 1986-06-23 Mazda Motor Corp Direct injection type diesel engine
DE3874012T2 (en) * 1987-06-08 1993-01-14 Toyota Motor Co Ltd COMBUSTION CHAMBER IN A DIRECT INJECTION TYPE ENGINE.
US5099809A (en) * 1989-08-09 1992-03-31 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Combustion chamber for a diesel engine
JP3024830B2 (en) * 1991-09-09 2000-03-27 ヤンマーディーゼル株式会社 Combustion chamber of direct injection diesel engine

Also Published As

Publication number Publication date
EP0656466A1 (en) 1995-06-07
JPH07150944A (en) 1995-06-13
EP0656466B1 (en) 1996-05-08
DE69400175T2 (en) 1996-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)